| A | B |
|---|
| audible | able to be heard |
| audiometer | instrument used to measure sound waves |
| audition | performance an actor or musician gives when being tested for a job |
| audiovisual | designed to aid in learning or teaching by making use of both hearing and sight |
| biology | study of living things |
| biopsy | taking out bits of living tissue from the body in order to study them |
| amphibious | can live on both land and in water |
| biography | story of a person's life written by another person |
| chronic | going on for a long time |
| synchronize | to move or happen at the same time or speed |
| chronological | arranged in the order in which things happen |
| antonym | words with opposite meanings |
| antipathy | strong feeling against; dislike |
| antiseptic | any substance used to kill germs or stop their growth |
| antisocial | not liking to be with other people |
